/**
* Generates the Related Links menu. Associated with the related_links
* shortcode.
* @param array The attributes passed by WordPress
* @return string The Related Links menu
*/
public function related_links_shortcode($atts = array())
{
self::$active_pages = array();
$menu_items = $this->init_shortcode($atts);
$display_menu_items = array();
$post_menu_items = array_filter($menu_items, function ($menu_item) {
// we need to use the current Post in here
global $post;
if ($menu_item->post_id == $post->ID) {
return true;
} else {
return false;
}
});
foreach ($post_menu_items as $menu_item) {
// get children items
$children = $this->get_menu_items_by_parent_id($menu_items, $menu_item->ID);
if (count($children)) {
// display children items
$display_menu_items = array_merge($display_menu_items, $children);
} else {
// else, display sibling items
$display_menu_items = array_merge($display_menu_items, $this->get_menu_items_by_parent_id($menu_items, $menu_item->parent_id));
}
}
if (empty($display_menu_items)) {
// we don't have anything to display yet, so display top-level items
$display_menu_items = $this->get_menu_items_by_parent_id($menu_items, 0);
}
// filters out duplicates
$display_menu_items = array_filter($display_menu_items, function ($display_menu_item) {
static $ids = array();
// always include custom pages - they ALL have a post_id of 0, which
// will break the below checks.
if ($display_menu_item->object == 'custom' && $display_menu_item->post_id == 0) {
return true;
}
if (in_array($display_menu_item->post_id, $ids)) {
return false;
} else {
$ids[] = $display_menu_item->post_id;
return true;
}
});
$args = (object) shortcode_atts(array('theme_location' => '', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => ''), $atts, 'related_links');
return $this->generate_menu_html('related-links-' . $args->theme_location, $display_menu_items, -1, $args);
}
/**
* TODO: documentation
*/
public function get_post_descendants()
{
check_ajax_referer('add-menu_item', 'menu-settings-column-nonce');
if (!current_user_can('edit_theme_options')) {
wp_die(-1);
}
require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
$descendants = Mega_Menu::flatten_menu_structure(Mega_Menu::load_hierarchy($_GET['post_id']), false);
$object_to_menu_map = array();
$menu_items = array();
array_walk($descendants, function ($descendant) use(&$object_to_menu_map, &$menu_items) {
$menu_item = array('menu-item-object' => $descendant->post_type, 'menu-item-object-id' => $descendant->ID, 'menu-item-parent-id' => $_GET['post_id'] == $descendant->post_parent ? $_GET['db_id'] : $object_to_menu_map[$descendant->post_parent], 'menu-item-type' => 'post_type', 'menu-item-title' => $descendant->post_title, 'menu-item-url' => get_permalink($descendant->ID));
$item_ids = wp_save_nav_menu_items($_GET['menu'], array($menu_item));
if (is_wp_error($item_ids)) {
wp_die(0);
}
$object_to_menu_map[$descendant->ID] = $item_ids[0];
$menu_obj = get_post($item_ids[0]);
if (!empty($menu_obj->ID)) {
$menu_obj = wp_setup_nav_menu_item($menu_obj);
$menu_obj->label = $menu_obj->title;
// don't show "(pending)" in ajax-added items
$menu_items[] = $menu_obj;
}
});
$walker_class_name = apply_filters('wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $_GET['menu']);
if (!class_exists($walker_class_name)) {
wp_die(0);
}
if (!empty($menu_items)) {
$args = array('after' => '', 'before' => '', 'link_after' => '', 'link_before' => '', 'walker' => new $walker_class_name());
$output = walk_nav_menu_tree($menu_items, 0, (object) $args);
$output = preg_replace_callback('/(menu-item-depth-)([0-9]+)/', function ($matches) {
return $matches[1] . ($matches[2] + $_GET['depth'] + 1);
}, $output);
echo $output;
wp_die();
}
}
